List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=179
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "humandryさん、せぽわわさん、Daichi1515さん、wukittyさん、はっしーのアカウントさん、sugar045さん、fumi23さん",
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                "name": "かおり杯-World Kaori Cup-",
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            "description": "。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。",
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            "description": "yo no voy a jugar XD diviértanse",
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